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Protein S-Nitrosylation in plants: Current progresses and challenges.

Jian Feng1, Lichao Chen2,3, Jianru Zuo2,3

  • 1Sainsbury Laboratory, University of Cambridge, Cambridge CB2 1LR, UK.

Journal of Integrative Plant Biology
|January 22, 2019
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Nitric oxide (NO) regulates plant processes via protein S-nitrosylation, a key modification. This review covers NO signaling, S-nitrosylation mechanisms, and its role in plant development and stress responses.

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Area of Science:

  • Plant Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Nitric oxide (NO) is a crucial signaling molecule in all organisms.
  • Protein S-nitrosylation, a redox-based posttranslational modification, is a major mechanism for NO signaling.
  • This modification involves adding NO to cysteine thiols in target proteins.

Purpose of the Study:

  • To review the current understanding of protein S-nitrosylation in plants.
  • To explore the regulatory mechanisms of S-nitrosylation in various plant biological processes.
  • To highlight key challenges and future directions in plant S-nitrosylation research.

Main Methods:

  • Literature review of recent advancements in plant S-nitrosylation research.
  • Analysis of the functional characterization of S-nitrosylated proteins in plants.
  • Synthesis of information on NO signaling pathways and their regulation.

Main Results:

  • Protein S-nitrosylation is an evolutionarily conserved mechanism.
  • S-nitrosylation plays a ubiquitous role in regulating plant development.
  • Emerging evidence shows S-nitrosylation is involved in plant stress responses.

Conclusions:

  • Protein S-nitrosylation is vital for modulating cellular signaling in plants.
  • Further research is needed to fully elucidate the complexities of S-nitrosylation in plant biology.
  • Understanding S-nitrosylation mechanisms can lead to improved crop resilience and development.